EP0440440A3 - Disk driving apparatus - Google Patents

Disk driving apparatus Download PDF

Info

Publication number: EP0440440A3
Authority: EP; European Patent Office
Prior art keywords: driving apparatus; disk driving; disk; driving
Prior art date: 1990-01-31
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP19910300707

Other versions

EP0440440B1 (en

EP0440440A2 (en

Inventor

Yasuaki Suzuki

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Sony Corp

Original Assignee

Sony Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1990-01-31

Filing date

1991-01-30

Publication date

1992-11-04

1991-01-30 Application filed by Sony Corp filed Critical Sony Corp

1991-08-07 Publication of EP0440440A2 publication Critical patent/EP0440440A2/en

1992-11-04 Publication of EP0440440A3 publication Critical patent/EP0440440A3/en

1997-08-06 Application granted granted Critical

1997-08-06 Publication of EP0440440B1 publication Critical patent/EP0440440B1/en

2011-01-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
- G11B5/5556—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means with track following after a "seek"
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/08—Track changing or selecting during transducing operation
- G11B21/081—Access to indexed tracks or parts of continuous track
- G11B21/083—Access to indexed tracks or parts of continuous track on discs
- G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part

EP91300707A 1990-01-31 1991-01-30 Disk driving apparatus Expired - Lifetime EP0440440B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP20957/90		1990-01-31
JP2020957A JPH03225679A (en)	1990-01-31	1990-01-31	Disk drive device

Publications (3)

Publication Number	Publication Date
EP0440440A2 EP0440440A2 (en)	1991-08-07
EP0440440A3 true EP0440440A3 (en)	1992-11-04
EP0440440B1 EP0440440B1 (en)	1997-08-06

Family

ID=12041663

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP91300707A Expired - Lifetime EP0440440B1 (en)	1990-01-31	1991-01-30	Disk driving apparatus

Country Status (5)

Country	Link
US (1)	US5444582A (en)
EP (1)	EP0440440B1 (en)
JP (1)	JPH03225679A (en)
KR (1)	KR910014907A (en)
DE (1)	DE69127107T2 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5764017A (en) *	1996-04-16	1998-06-09	Iomega Corporation	Servo loop compensation technique exhibiting improved bandwith
JP3177121B2 (en) *	1995-06-01	2001-06-18	インターナショナル・ビジネス・マシーンズ・コーポレ−ション	Position control device and method
KR0162607B1 (en) *	1995-12-20	1999-01-15	김광호	Voice coil motor moving control circuit
EP1022727B1 (en)	1996-04-15	2002-12-18	Matsushita Electric Industrial Co., Ltd.	An optical disk and a recording/reproduction apparatus
US5808440A (en) *	1996-11-22	1998-09-15	Western Digital Corporation	Hybrid communication method and apparatus for a three-phase brushless DC motor
US6088188A (en) *	1997-02-10	2000-07-11	International Business Machines Corporation	System and method for determining when hard disk drive power amplifier is saturated
US5986426A (en) *	1997-08-05	1999-11-16	International Business Machines Corporation	Adaptive pulse width modulated motor control
US6052076A (en) *	1998-10-14	2000-04-18	Western Digital Corporation	Digital-to-analog converter having high resolution and high bandwidth
KR20020001742A (en)	1999-02-22	2002-01-09	추후	Compensation for repeatable runout error
CN1357139A (en)	1999-05-07	2002-07-03	西加特技术有限责任公司	Repeatable runout compensatino using iterative learning control in disc storage system
DE10084854T1 (en)	1999-07-23	2002-07-25	Seagate Technology Llc	Compensate for a repeatable runout using a learning algorithm with planned parameters
US6952320B1 (en)	1999-12-16	2005-10-04	Seagate Technology Llc	Virtual tracks for repeatable runout compensation
US6281652B1 (en)	2000-03-24	2001-08-28	Western Digital Corporation	Method of using two low-resolution DACS for converting high-resolution digital demands into analog output signals that monotonically drive an actuator motor in a disk drive
US6972539B1 (en)	2003-04-30	2005-12-06	Western Digital Technologies, Inc.	Disk drive employing commutation phase modulation and current modulation of a spindle motor
US6970319B1 (en)	2003-05-27	2005-11-29	Western Digital Technologies, Inc.	Disk drive comprising a pulse width modulated demand limit circuit for enhancing power management during spin-down
US7319570B2 (en)	2005-09-19	2008-01-15	Seagate Technology Llc	Random vibration and shock compensator using a disturbance observer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0005966B1 (en) *	1978-05-30	1981-09-16	Sperry Corporation	Positioning servo system
US4381526A (en) *	1980-11-10	1983-04-26	Memorex Corporation	Velocity control system for a data storage apparatus
EP0147993A2 (en) *	1983-12-15	1985-07-10	Mitsubishi Denki Kabushiki Kaisha	Disk unit
DE3723280A1 (en) *	1986-07-16	1988-01-21	Fuji Electric Co Ltd	HEAD POSITION CONTROL SYSTEM FOR A DISK STORAGE UNIT
DE4000663C1 (en) *	1990-01-11	1991-06-13	Siemens Nixdorf Informationssysteme Ag, 4790 Paderborn, De

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3881184A (en) *	1974-05-28	1975-04-29	Ibm	Adaptive digital servo system
DE2759066A1 (en) *	1977-12-30	1979-07-12	Ibm Deutschland	DEVICE FOR REGULATING THE MAGNETIC HEAD POSITION DURING THE TRACK SELECTION AND THE TRACK SEQUENCE OF THE MAGNETIC HEAD OF A MAGNETIC DISC MEMORY
US4590527A (en) *	1983-11-14	1986-05-20	Burroughs Corporation	Positioning servomechanisms
US4974109A (en) *	1986-08-27	1990-11-27	Sony Corporation	Hard disk drive employing a reference track to compensate for tracking error
JPH0814950B2 (en) *	1987-09-14	1996-02-14	株式会社日立製作所	Head positioning method for magnetic disk drive
US5136439A (en) *	1989-09-29	1992-08-04	Seagate Technology, Inc.	Sectored servo position demodulator system

1990
- 1990-01-31 JP JP2020957A patent/JPH03225679A/en active Pending
1991
- 1991-01-30 KR KR1019910001530A patent/KR910014907A/en not_active Application Discontinuation
- 1991-01-30 EP EP91300707A patent/EP0440440B1/en not_active Expired - Lifetime
- 1991-01-30 DE DE69127107T patent/DE69127107T2/en not_active Expired - Fee Related
- 1991-01-30 US US07/647,764 patent/US5444582A/en not_active Expired - Fee Related

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0005966B1 (en) *	1978-05-30	1981-09-16	Sperry Corporation	Positioning servo system
US4381526A (en) *	1980-11-10	1983-04-26	Memorex Corporation	Velocity control system for a data storage apparatus
EP0147993A2 (en) *	1983-12-15	1985-07-10	Mitsubishi Denki Kabushiki Kaisha	Disk unit
DE3723280A1 (en) *	1986-07-16	1988-01-21	Fuji Electric Co Ltd	HEAD POSITION CONTROL SYSTEM FOR A DISK STORAGE UNIT
DE4000663C1 (en) *	1990-01-11	1991-06-13	Siemens Nixdorf Informationssysteme Ag, 4790 Paderborn, De

Also Published As

Publication number	Publication date
JPH03225679A (en)	1991-10-04
EP0440440B1 (en)	1997-08-06
US5444582A (en)	1995-08-22
KR910014907A (en)	1991-08-31
DE69127107T2 (en)	1998-01-29
EP0440440A2 (en)	1991-08-07
DE69127107D1 (en)	1997-09-11

Legal Events

Date	Code	Title	Description
1991-06-21	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1991-08-07	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB
1992-09-15	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-11-04	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB
1993-06-09	17P	Request for examination filed	Effective date: 19930414
1994-11-09	17Q	First examination report despatched	Effective date: 19940927
1996-10-26	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1997-02-08	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-05-22	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-06-20	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1997-08-06	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB
1997-09-11	REF	Corresponds to:	Ref document number: 69127107 Country of ref document: DE Date of ref document: 19970911
1997-11-28	ET	Fr: translation filed
1998-06-12	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1998-06-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1998-07-29	26N	No opposition filed
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2002-01-10	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20020110 Year of fee payment: 12
2002-01-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20020130 Year of fee payment: 12
2002-02-27	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20020227 Year of fee payment: 12
2003-01-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030130
2003-08-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030801
2003-09-17	GBPC	Gb: european patent ceased through non-payment of renewal fee
2003-09-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030930
2003-10-31	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST

Publication	Publication Date	Title
GB2237920B (en)	1994-01-05	Disk driving apparatus
EP0451460A3 (en)	1992-01-15	Recording apparatus
HK1004578A1 (en)	1998-11-27	Disk drive apparatus
AU657916B2 (en)	1995-03-30	Recording apparatus
SG43229A1 (en)	1997-10-17	Optical disc apparatus
EP0476666A3 (en)	1992-10-28	Recording apparatus
GB2225830B (en)	1992-11-04	Drive apparatus
EP0464382A3 (en)	1992-05-27	Compact disc apparatus
EP0452585A3 (en)	1992-04-01	Recording apparatus
EP0465850A3 (en)	1992-06-17	Recording apparatus
GB2229309B (en)	1993-06-02	Reproducing apparatus
EP0410396A3 (en)	1991-05-02	Recording apparatus
EP0378291A3 (en)	1990-12-05	Recording apparatus
SG50668A1 (en)	1998-07-20	Disc reproducing apparatus
EP0488634A3 (en)	1993-07-21	Tape driving apparatus
EP0428370A3 (en)	1992-03-25	Recording apparatus
EP0451828A3 (en)	1992-05-27	Recording apparatus
EP0482356A3 (en)	1992-08-05	Recording apparatus
EP0440440A3 (en)	1992-11-04	Disk driving apparatus
EP0409175A3 (en)	1991-08-14	Recording apparatus
EP0546543A3 (en)	1993-07-28	Disc driving apparatus
EP0485149A3 (en)	1993-04-28	Recording apparatus
EP0459607A3 (en)	1992-09-02	Recording apparatus
EP0487294A3 (en)	1993-01-20	Optical disk apparatus
GB2271033B (en)	1996-10-23	Disk driving apparatus